package j20251028;

import java.util.concurrent.atomic.AtomicInteger;

public class Demo1 {
    public static void main(String[] args) {
        AtomicInteger  count = new AtomicInteger(0);
        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 10000; i++) {
                count.incrementAndGet();
            }
        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 10000; i++) {
                count.incrementAndGet();
            }
        });
        t1.start();
        t2.start();
        try {
            t1.join();
            t2.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println(count);
    }
}
